When the switch S is open in the circuit shown below, the reading on the ammeter A is When the switch is closed, the reading on the ammeter is
Amperes and
Voltage =
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Can anybody me with this? ? (picture included.)

Oxygen undergoes an isentropic expansion from 120 degree c and 280 kpa absolute to 140 kpa absolute. determine the final temperature of the oxygen and the amount of work per kg of o_2 produced in the process if it is adiabatic.

Me pl give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.